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28/07/1935 The first flight of the Boeing B-17 Flying Fortress

The first flight of the Model 299 in July 1935 with Boeing chief test pilot Leslie Tower at the controls. Richard Williams, a reporter for the Seattle Times, coined the name "Flying Fortress" with his comment, "Why, it's a flying fortress!" when the Model 299 was rolled out bristling with multiple machine guns.


  • Essentials 

  • Development 

  • Design and variants 

  • Operational history 

  • Operators 

  • Fortresses as a symbol 

  • Notable B-17s 

  • Noted B-17 pilots and crew members